COMPARISON OF 91 WITH PC No. 1+PC No. 2 + B + V+0-03 gr. 891 
Comparison of^ with PC No. 1+PC No. 2 + B+V+0'03 grain. 
Let K, L denote PC No. 1,PC No. 2 respectively; i^=K+L+B+V+0*03 grain. 
The zero of the scale of the barometer was 180 millimetres below the middle of 
the weights, consequently 0*02 mm. must be subtracted from the height of the 
mercury in the barometer. 
September 16, 1844. 
100 parts 
= 0*565 grain. 
g[+x. 
1+Y. 
^+Y. 
?^+x. 
22*62 
22*25 
C= 20*4 
20*46 
20*69 
C= 20*55 
22*52 
22*16 
F = 762*1 
20*65 
20*85 
F = 76 i *7 
21*90 
22*40 
E= 20*1 
20*51 
21*16 
E= 20-4 
22*43 
22*33 
21*05 
21*30 
22*65 
22*53 
20*71 
20*71 
22*37 
21*97 
21*54 
21*50 
21*48 
21*81 
C= 20*55 
22*49 
21*91 
C= 20*55 
21*23 
21*19 
F = 76 i *7 
21*80 
21*55 
F = 761*35 
21*25 
20*86 
E= 20*4 
21*86 
21*93 
E= 20*55 
198*45 
197-50 
191-07 
191-60 
9(a+X)-:9(?l + Y) + 0* 
95 part. 
9(a + Y)i:: 
9(?^ + X)— 0*53 part. 
18^£!:18?|+ 0*00237 grain in air (<= 20*61, b- 
= 759-64). 
September 17. 
100 parts= 0*5746 grain. 
g[+x. 
?§+Y. 
^+Y. 
?l+x. 
20*02 
19-91 
c= 19-8 
19-05 
19-37 
C= 20*76 
19-70 
20*00 
F = 758*53 
19-36 
19-37 
F = 758*2 
19*70 
20*55 
E= 20*4 
19-51 
19-24 
E= 20*9 
19-31 
20*22 
18*49 
19-90 
19-57 
20*32 
19-45 
19-56 
19-29 
20*01 
18*44 
19-91 
20*09 
20*47 
19-39 
19-37 
20*32 
20*21 
C= 20*76 
18*82 
19-80 
C= 21 
19-71 
20*01 
F = 758*2 
19-40 
19-71 
F = 758*04 
20*09 
19*76 
E= 20*9 
19-03 
19-15 
E= 21 
179-80 
201*46 
199-94 
195*38 
10(a+X)£i: 
10(?| + Y)- 
- 3*66 parts. 
10(a+Y)i:=10(?|+X) 
— 4*44 parts. 
20^£t20?|— 0*046543 grain 
in air (#=20*68, b 
=756*12). 
September 19. 
100 parts= 
0*5322 grain. 
^+X. 
?§+Y. 
^+Y. 
I^+X. 
25*73 
25*59 
C= 18*5 
14*25 
14*19 
C= 18*8 
26*32 
26*00 
F =758*23 
18*94 
19-61 
F = 758*12 
24*73 
26*46 
E= 18 
19-50 
19-87 
E= 17-6 
24*52 
25*41 
19-42 
20*00 
25*77 
26*16 
19-50 
19-72 
25*66 
25*44 
19-89 
20*05 
25*15 
25*65 
19-42 
20*02 
25*93 
25*59 
20*10 
20*19 
25*61 
25*65 
C= 18*8 
19-49 
20*04 
C= 18*85 
24*79 
25*59 
F = 758*12 
19-80 
19-96 
F = 758*2 
25*20 
25*31 
E= 17*6 
19-23 
19-22 
E= 17*9 
278*41 
282*85 
209-54 
212*87 
ll(a + X)£2:ll(?^ + Y) 
— 4*44 parts. 
11(^ + Y) 
-11(?^ + X)- 
3*33 parts. 
22aii:22?^-0*041356 grain 
in air (#=18*8, b- 
= 756*39). 
6 A 
MDCCCLVI. 
